#include<iostream>
#include<conio.h>
using namespace std;
namespace firt_space{
	void func(){
		cout << "inside firt_space" << endl;
	}
}
namespace second_space{
	void func(){
		cout << "inside second_space" << endl;
	}
}
int main(){
	firt_space::func();
	second_space::func();
	_getch();
	return 0;
}